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Acute Ischemic Mitral Regurgitation

Publish Year: 1397
Type: Conference paper
Language: English
View: 387
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ICACSMED02_047

Index date: 20 January 2019

Acute Ischemic Mitral Regurgitation abstract

Acute mitral regurgitation (MR) is a frequent complication of acute myocardial infarction ( AMI)with a variable presentation depending on the severity of MR and the integrity of the Sub-valvular apparatus. While most cases are asymptomatic or have mild dyspnea, rupture of chordae tendinea or papillary muscles are catastrophic complications that may rapidly lead to cardiogenic shock and death. Despite the presence of pulmonary edema and/or cardiogrenic shock, the murmur of acute MR is usually subtle due to rapid equalization of left atrial(LA) and left ventricular pressure(LV) gradient, and therefore misleading. Echocardiography is the definite diagnostic modality, allowing quantification of the severity of MR and the structural abnormalities within the subvalvular apparatus. Severe MR accompanied by rupture of chordae or papillary muscles should be managed with temporary stabilization with medical treatment or with mechanical circulatory support, with sub-sequent surgical intervention to repair or replace the valve.

Acute Ischemic Mitral Regurgitation authors

R Salehi

Madani Heart Center, Tabriz, Iran, Tabriz University of Medical Sciences, Tabriz, Iran